The PMC X-TAC Battle Pack 5.56NATO Rifle Ammo delivers a shooter-focused solution with the X-TAC series reputation for duty-grade consistency and reliability, featuring 55 grain Full Metal Jacket Boat Tail bullets in 5.56x45mm NATO configuration ideal for range days, marksmanship training, and operational drills. This 200-round battle pack is vacuum-sealed for long-term storage and transport, comes with brass casings from Korea Republic of (KR), and meets the ballistic expectations professionals and enthusiasts demand: a muzzle velocity of about 3270 fps yielding roughly 1306 ft-lbs of energy, a ballistic coefficient of 0.243, bullet length 0.740 inches, and a sectional density of 0.156 that contribute to predictable flight and stable downrange performance. The FMJ-BT profile offers efficient feeding and consistent trajectories with listed point-of-impact references such as 0 inches at 100 yards and a reasonable drop to -2.6 inches at 200 yards and -10.6 inches at 300 yards, making it well suited for sustained target practice, training courses, and force-on-force scenarios where reliable ballistics and repeatability matter. Packaged as an ORM-D shipment, X-TAC is aimed at users who want straightforward, traceable ballistics and dependable function in AR-platform rifles and other 5.56 NATO firearms.